Package org.elasticsearch.xpack.esql.enrich
package org.elasticsearch.xpack.esql.enrich
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ClassDescriptionAbstractLookupService<R extends org.elasticsearch.xpack.esql.enrich.AbstractLookupService.Request,
T extends org.elasticsearch.xpack.esql.enrich.AbstractLookupService.TransportRequest> AbstractLookupServiceperforms aLEFT JOINfor a given input page against another index that must have only a single shard.AbstractLookupServiceuses this to power the queries and field loading that it needs to perform to actually do the lookup.Create aAbstractLookupService.LookupShardContextfor a locally allocatedShardId.EnrichLookupServiceperforms enrich lookup for a given input page.Resolves enrich policies across clusters in several steps: 1.LookupFromIndexServiceperforms lookup against a Lookup index for a given input page.